rsm-teknik.dk

📜 Historical scan 2026-06-25 09:02:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rsm-teknik.dk is a .dk domain served by 4 nameservers (ns1.ascio.com, ns2.ascio.com, ns3.ascio.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.112 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rsmteknik-dk0i.mail.eo.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 341ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ascio.com	212.123.32.97 2604:4000:8000:d:212:123:32:97	ns1.ascio.com ns1.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns2.ascio.com	212.123.35.97 2604:4000:8000:d:212:123:35:97	ns2.ascio.com ns2.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns3.ascio.com	2604:4000:2800:2000:64:98:148:145 64.98.148.145	dns2.epag.net dns2.epag.net	AS32491 Tucows.com Co. AS32491 Tucows.com Co.
ns4.ascio.com	216.40.47.209 2604:4000:0:d:216:40:47:209	ns4.ascio.com ns4.ascio.com	AS15348 Tucows.com Co. AS15348 Tucows.com Co.

🌍 A Records#

1 records 843ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.112	300s	prolinux102.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 484ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rsmteknik-dk0i.mail.eo.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.29 52.101.68.32 52.101.73.2	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.231.8
🔶 Autoconfig	185.21.42.112

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1862ms

TXT Record
v=spf1 include:outlook.com include:spf.curanet.dk ~all

✉️ SPF#

Policy	Record (rsm-teknik.dk)
~all (soft fail)	v=spf1 include:outlook.com include:spf.curanet.dk ~all

📨 DMARC#

Policy	Record (_dmarc.rsm-teknik.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 02:33:51

www	185.21.42.112 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rsm-teknik.dk: 185.21.42.112 (AS48854) www.rsm-teknik.dk: 185.21.42.112 (AS48854)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

904ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

820ms

Field	Value
Serial	1718801966
Primary NS (MNAME)	ns1.ascio.com
Responsible (RNAME)	ascio@onlineplus.dk
Refresh	3600s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

341ms

843ms

484ms

AAAA

480ms

TXT

1862ms

CAA

828ms

HTTPS

827ms

TLSA

3818ms

SOA

820ms

MTA-STS

831ms

DNSSEC

904ms

SRV

1022ms

Total

6864ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 01:51:40	811ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-03 06:56:11	5283ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-25 02:28:43	4917ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-25 16:14:12	3910ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-25 09:02:24 shown	6864ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-23 23:10:37	1201ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 23:57:32	5117ms	4 NS 1 A 1 MX	🔓 Insecure